The Complex Number System
HSN-CN.C.8
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- HSN-CN.C.7Solve quadratic equations with real coefficients that have complex solutions.
- HSN-CN.C.8(+) Extend polynomial identities to the complex numbers. For example, rewrite x^{2} + 4 as (x + 2i)(x – 2i).
- HSN-CN.C.9(+) Know the Fundamental Theorem of Algebra; show that it is true for quadratic polynomials.
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HSN-CN.C.8
(+) Extend polynomial identities to the complex numbers. For example, rewrite x^{2} + 4 as (x + 2i)(x – 2i).
11 Lesson(s)
Big Idea:
Use games like this to fill those odd days before break or during homecoming week with meaningful mathematical activities or use for fun review!
Standards:
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(5)
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(9)
Polynomial and Rational Functions: Unit Assessment
12th Grade Math »
Unit: Polynomial and Rational Functions
12th Grade Math »
Unit: Polynomial and Rational Functions
Big Idea:
Assess students' understanding of polynomial and rational functions.
Standards:
Favorites
(2)
Resources
(3)
Complex Solutions to Quadratic Equations
Algebra II »
Unit: The Complex Number System
Algebra II »
Unit: The Complex Number System
Big Idea:
Students investigate the geometry of the complex solutions to a quadratic equation in a dynamic setting.
Standards:
Favorites
(3)
Resources
(13)
Reflections
(1)
Complex Solutions of Quadratics
Algebra II »
Unit: Imagine This! Imaginary and Complex Numbers
Algebra II »
Unit: Imagine This! Imaginary and Complex Numbers
Big Idea:
Why re-TEACH quadratics when you can re-THINK them in this lesson?!
Standards:
Favorites
(1)
Resources
(15)
Reflections
(1)
Big Idea:
Identities can be complex and confusing...this lesson helps your students make sense of polynomial identities and complex numbers!
Standards:
Resources
(12)
Reflections
(1)
Rational Functions and Inequalities Formative Assessment
12th Grade Math »
Unit: Polynomial and Rational Functions
12th Grade Math »
Unit: Polynomial and Rational Functions
Big Idea:
Use a Quick Quiz to see if students understand rational functions and inequalities.
Standards:
Resources
(6)
The Fundamental Theorem of Algebra - Day #1
Algebra II »
Unit: Imagine This! Imaginary and Complex Numbers
Algebra II »
Unit: Imagine This! Imaginary and Complex Numbers
Big Idea:
Roll out and connect the Fundamental Theorem of Algebra to the students' prior knowledge and learning.
Standards:
Resources
(12)
Reflections
(1)
Unit Test
Algebra II »
Unit: Imagine This! Imaginary and Complex Numbers
Algebra II »
Unit: Imagine This! Imaginary and Complex Numbers
Big Idea:
Students will persevere through a unit assessment by utilizing the skills they have acquired (MP1).
Standards:
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(8)
Big Idea:
Students help design their own review outline focusing on what they need to study instead of cramming on everything!
Standards:
Favorites
(1)
Resources
(12)
Reflections
(1)
Big Idea:
This assessment is great practice for standardized tests like the ACT and SAT.
Standards:
Resources
(8)
Reflections
(1)
Unit Review
Algebra II »
Unit: Imagine This! Imaginary and Complex Numbers
Algebra II »
Unit: Imagine This! Imaginary and Complex Numbers
Big Idea:
Collaborative Unit Review Strategies!
Standards:
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(11)
Common Core Math
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HS Geometry
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Ninth and Tenth Grade
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